M18 FUEL 4-1/2" / 5" Grinder, Slide Switch Lock-On - Tool Only - Milwaukee 2781-20

Regular price $229.00

$219.00 CAD

you save $10.00 (~4%)

Item # : 2781-20



*(On orders over $100 before taxes, Canada only, total order must weight less than 50 pounds)

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The world’s first cordless grinder delivers the power of a corded grinder with up to 2X more run time and up to 10X longer motor life. 

The M18 FUEL™ 4-1/2" / 5" Grinder supplies maximum sustained power to complete the toughest grinding, surface preparation and cutting applications. The POWERSTATE™ Brushless Motor provides up to 10X longer motor life and lower cost of ownership. The M18™ REDLITHIUM™ XC4.0 Battery Pack (not included) delivers up to 4X more run time and 20% more power. The grinder features REDLINK PLUS™ Intelligence, the most advanced system of cordless power tool electronics, for maximum performance. 

The 18-volt lithium-ion grinder’s thin body design gives it optimized balance to rest easily in your hands. Tool-free accessory changes and guard adjustments mean less downtime during work. The grinder is built with the same tool body, gearing system and anti-vibration side handle as Milwaukee’s high-performance corded grinders for maximum durability on the job. Grinding wheel sold separately.


  • POWERSTATE™ Brushless Motor: Delivers maximum power and up to 10X longer motor life
  • REDLINK PLUS™ Intelligence provides optimized performance, electronic clutch, and overload protection using total system communication between tool, battery and charger
  • REDLITHIUM™ XC 4.0 Battery Pack (not included) provides superior pack construction, electronics, and performance to deliver 2X more run-time and more work over pack life
  • POWER TO GRIND: World’s first cordless grinder with corded performance.
  • DURABILITY: Same metal housing & gearing system as legendary high performance corded grinders
  • 100% tool free: Make all accessory changes and guard adjustments without a wrench for increased productivity
  • Slide switch: Reduces user fatigue


What's Included

    (1) M18 FUEL™ 4-1/2" / 5" Grinder, Slide Switch Lock-On (2781-20)

    (1) Flange Nuts

    (1) Wheel Guard

    (1) Spanner Wrench


Voltage 18V
Tool Warranty 5 Years
Length 15"
Weight 5.8 lbs
Switch Type Slide with Lock-On
Speed 8,500 RPM
Trigger Lock Yes
Vibration Reduction Yes
Tool Free Guard Yes
Arbor Size 5/8"-11
Package Type Tool-Only (No Battery or Charger Included)

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